lru.Add("key1", 1)
	lru.Add("key2", 2)
	lru.Add("key3", 3)

	if _, ok := lru.Get("key1"); !ok {
		t.Errorf("Expected key1 to exist, but it was evicted")
	}
}

func TestLRU_Add_Eviction(t *testing.T) {
	lru := lru.NewLRU[string, int](0, nil, time.Second*2)
	lru.Add("key1", 1)
	lru.Add("key2", 2)
	lru.Add("key3", 3)
	time.Sleep(time.Second * 3)
	if lru.Cap() != 0 {